Date.prototype.Format = function (fmt) {  
	    var o = {
	        "M+": this.getMonth() + 1,
	        "d+": this.getDate(),
	        "h+": this.getHours(), 
	        "m+": this.getMinutes(),
	        "s+": this.getSeconds(),
	        "q+": Math.floor((this.getMonth() + 3) / 3),
	        "S": this.getMilliseconds()
	    };
	    if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
	    for (var k in o)
	    if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
	    return fmt;
	}